The Wilbur and Toni Clark Papers date from 1944 to 1991, with the bulk from 1953 to 1963 and document the lives of Wilbur and Toni Clark in Las Vegas, Nevada and the development of the Desert Inn Hotel and Casino. The collection includes correspondence from Wilbur Clark to those he identified as important individuals including government officials and celebrities. It also includes materials related to Clark’s plan of building luxury apartments near the Desert Inn, and newspaper clippings and scrapbooks about the Clarks and the Desert Inn. The collection contains some audiovisual materials including Wilbur and Toni Clark's home movies, news footage, and film footage of Las Vegas, Nevada and the Desert Inn.

The Johnny LaVoie Papers on the Culinary Workers Union 226 (1958-1993) contain photographs of Culinary Union meetings; Culinary Union strikes at the MGM Hotel, Frontier Hotel, and other Las Vegas, Nevada hotels; agreements; by-laws; and Culinary Union collective bargaining booklets. Also included are negatives that correspond to the photographs, audiovisual material, newsletters from the Culinary Union and Catering Industry Employees, pins, buttons, and postcards.